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German | G 180 DEU(7) |
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German | K 97 DPA |
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German | G 180 HUN |
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Genf : Weltorganisation Für Geistiges Eigentum, 1997. 7.
German | E 232K141(121:113) WIPO.I |
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Genf : Weltorganisation Fuer Geistiges Eigentum, 1997. 7.
German | E 232K141(121:111:113) WIPO.I |
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German | E 232K141(121:113) WIPO.I |
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[Place of publication not identified] : [Österreichisches Patentamt], 1979. Third edition.
German | G 132 INT(B) |
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Berlin : Heymann, 1927.
German | G 180 TEC |
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